package cn.tedu.egweibo1.controller;

import cn.tedu.egweibo1.mapper.UserMapper;
import cn.tedu.egweibo1.pojo.dto.UserLoginDTO;
import cn.tedu.egweibo1.pojo.dto.UserRegDTO;
import cn.tedu.egweibo1.pojo.entity.User;
import cn.tedu.egweibo1.pojo.vo.UserVO;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpSession;
import java.util.Date;

@RestController
@RequestMapping("/v1/users/")
public class UserController {
    @Autowired
    private UserMapper userMapper;

    @PostMapping("reg")
    public int reg(@RequestBody UserRegDTO userRegDTO){
        System.out.println("userRegDTO = " + userRegDTO);
        UserVO userVO = userMapper.selectUser(userRegDTO.getUsername());
        if(userVO!=null){//用户名被占用
            return 2;
        }
        //用户名不存在
        User user = new User();
        BeanUtils.copyProperties(userRegDTO,user);
        user.setCreated(new Date());
        userMapper.insert(user);
        return 1;
    }
    @PostMapping("login")
    public int login(@RequestBody UserLoginDTO userLoginDTO, HttpSession session){
        System.out.println("userLoginDTO = " + userLoginDTO);
        UserVO userVO = userMapper.selectUser(userLoginDTO.getUsername());
        if (userVO==null){//用户名错误
            return 3;
        }
        if(userVO.getPassword().equals(userLoginDTO.getPassword())){
            session.setAttribute("user",userVO);
            return 1;//登录成功
        }
        return 2;//密码错误
    }
    @GetMapping("currentUser")
    public UserVO currentUser(HttpSession session){
        UserVO userVO = (UserVO) session.getAttribute("user");

        return userVO;
    }
    @GetMapping("logout")
    public void logout(HttpSession session){
        session.removeAttribute("user");
    }
}
